Carp::Always does extend warnings. 

>perl -MCarp::Always -we"sub f { print undef } f()"
Use of uninitialized value in print at -e line 1
        main::f() called at -e line 1

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It's also conditional (on a command line option), which is surely better than changing the source code to do debugging.

Either way, you didn't report back any findings. Did you solve your problem?

In reply to Re^3: blessed confusion by ikegami
in thread blessed confusion by perl-diddler

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